The snake,raccoon, and preying mantis
You multiply 32 by 2, since there are two hydrogens in every water molecule.
The area of the periodic table that has the most elements included within it is metals (option A).
<h3>What is periodic table?</h3>
Periodic table of elements is a tabular chart of the chemical elements according to their atomic numbers so that elements with similar properties are in the same group (column).
The periodic table encompasses chemical elements arranged horizontally and vertically. The periodic table is made up of groups and periods.
However, most of the elements on the periodic table are metals because virtually 93 elements are metals.
Therefore, the area of the periodic table that has the most elements included within it is metals.
Learn more about periodic table at: brainly.com/question/11155928
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Answer:

Explanation:
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In this case, it is possible to treat this problem by using a proportional factor which indicates one iron nail equals 2.0 grams:

Now, for an amount of 6.022x10²³ nails, the corresponding mass will be:

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